The term "inter-racial" refers to marriage or interracial interactions. Many people prefer to use alternative phrases to describe the same concept. One common alternative is "multiethnic," which simply highlights the existence of two or more ethnicities involved. Other synonyms might include "cross-cultural," "inter-ethnic," or "multicultural" relationships, which can highlight the cultural differences between the two parties. Additionally, some people might simply use phrases like "marriage between two people of different races" or "a relationship between two individuals from distinct racial backgrounds." Ultimately, the choice of words will depend on the context and the speaker's preference for a particular term.